From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 14 Mar 2016 15:16:14 +0000 (+0100)
Subject: serial: doc: .break_ctl() is called with port->mutex() held
X-Git-Tag: v4.14-rc1~3203^2~34
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fbe3128bcf87723bbbaa2de26f5d1c1122c66b54;p=platform%2Fkernel%2Flinux-rpi.git

serial: doc: .break_ctl() is called with port->mutex() held

Note that mutex_lock() should not be called with interrupts disabled.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---

diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index 3b08df5b..09e73e0 100644
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@@ -177,8 +177,7 @@ hardware.
 	should be terminated when another call is made with a zero
 	ctl.
 
-	Locking: none.
-	Interrupts: caller dependent.
+	Locking: caller holds port->mutex
 	This call must not sleep
 
   startup(port)